# A012173 (b-file synthesized from sequence entry) 0 1 1 -1 2 5 3 -13 4 -1751 5 132871 6 -6935699 7 5067579 8 89435340497 9 -21076246089073 10 3055142025663317 11 13219661379785475 12 -235907327725301640967 13 116095997487821991940759 14 -33017130566183943274793027 15 -532247345346868679322284213 16 8810833241719412871344351850401